(3x-4)+(5x-6)=90

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Solution for (3x-4)+(5x-6)=90 equation:


Simplifying
(3x + -4) + (5x + -6) = 90

Reorder the terms:
(-4 + 3x) + (5x + -6) = 90

Remove parenthesis around (-4 + 3x)
-4 + 3x + (5x + -6) = 90

Reorder the terms:
-4 + 3x + (-6 + 5x) = 90

Remove parenthesis around (-6 + 5x)
-4 + 3x + -6 + 5x = 90

Reorder the terms:
-4 + -6 + 3x + 5x = 90

Combine like terms: -4 + -6 = -10
-10 + 3x + 5x = 90

Combine like terms: 3x + 5x = 8x
-10 + 8x = 90

Solving
-10 + 8x = 90

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '10' to each side of the equation.
-10 + 10 + 8x = 90 + 10

Combine like terms: -10 + 10 = 0
0 + 8x = 90 + 10
8x = 90 + 10

Combine like terms: 90 + 10 = 100
8x = 100

Divide each side by '8'.
x = 12.5

Simplifying
x = 12.5

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